Home / 21,573,018.64-32,355,163.68-7,921,479.52

Finding the Fourth Proportional to 21,573,018.64, 32,355,163.68 and 7,921,479.52

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Solution

The fourth proportional to 21,573,018.64, 32,355,163.68 and 7,921,479.52 is: 11,880,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573,018.64 : 32,355,163.68 = 7,921,479.52 : x
  2. Step 2: Convert to fraction form
    21,573,018.64/32,355,163.68 = 7,921,479.52/x
  3. Step 3: Cross multiply
    21,573,018.64x = 32,355,163.68 × 7,921,479.52
  4. Step 4: Simplify right side
    21,573,018.64x = 256,300,766,457,367.81
  5. Step 5: Solve for x
    x = 256,300,766,457,367.81/21,573,018.64
  6. Step 6: Final answer
    x = 11,880,616.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.